/*
 * SVG Salamander
 * Copyright (c) 2004, Mark McKay
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   - Redistributions of source code must retain the above 
 *     copyright notice, this list of conditions and the following
 *     disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 * 
 * Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
 * projects can be found at http://www.kitfox.com
 *
 * Created on January 26, 2004, 5:25 PM
 */

package cn.gotom.svg;

import android.graphics.Canvas;
import android.graphics.RectF;
import cn.gotom.svg.xml.StyleAttribute;

/**
 * @author 裴绍国
 * @author <a href="mailto:peixere@gmail.com">裴绍国</a>
 */
public class Line extends RenderableElement
{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	float x1 = 0f;
	float y1 = 0f;
	float x2 = 0f;
	float y2 = 0f;

	private RectF rect;

	public Line()
	{
	}

	protected void build() throws SVGException
	{
		super.build();

		StyleAttribute sty = new StyleAttribute();
		if (getAttribute(sty.setName("x1")))
			x1 = sty.getFloatValueWithUnits();

		if (getAttribute(sty.setName("y1")))
			y1 = sty.getFloatValueWithUnits();

		if (getAttribute(sty.setName("x2")))
			x2 = sty.getFloatValueWithUnits();

		if (getAttribute(sty.setName("y2")))
			y2 = sty.getFloatValueWithUnits();
		rect = new RectF(x1, y1, x2, y2);
	}

	public void render(Canvas canvas) throws SVGException
	{
		if (this.visible())
		{
			beginLayer(canvas);
			renderLine(canvas);
			finishLayer(canvas);
		}
	}

	private void renderLine(Canvas canvas)
	{
		doStrokePaint();
		canvas.drawLine(x1, y1, x2, y2, paint);
	}

	public RectF getBoundingBox()
	{
		return boundsToParent(includeStrokeInBounds(rect));
	}
}
